//
//  YMUserAccount.swift
//  YMWeiBo
//
//  Created by mimi on 16/7/22.
//  Copyright © 2016年 mimi. All rights reserved.
//

import UIKit

class YMUserAccount: NSObject {

    //用户唯一票据
    var access_token:String?
    
    //access_token的生命周期,单位是秒
//    var expires_in:Int = 0
    var expires_in: NSTimeInterval = 0{
        // 当系统使用kvc 对其身上的属性赋值的时候 会走didSet方法
        didSet{
            // 通过当前的日期+秒数 =  将要过期的日期
            expires_Date = NSDate(timeIntervalSinceNow: expires_in)
        }
    }
    
    //授权用户的UID
    var uid:String?
    
    //用户昵称
    var screen_name:String?
    
    //用户头像
    var avatar_large:String?
    
    //过期时间
    var expires_Date:NSDate?
    
    init(dic:[String : AnyObject]) {
        super.init()
        setValuesForKeysWithDictionary(dic)
        
    }
    
    
    // 归档
    func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeObject(expires_Date, forKey: "expires_Date")
        aCoder.encodeObject(uid, forKey: "uid")
        aCoder.encodeObject(screen_name, forKey: "screen_name")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
    }
    // 解档
    required init?(coder aDecoder: NSCoder) {
        access_token = aDecoder.decodeObjectForKey("access_token") as? String
        expires_Date = aDecoder.decodeObjectForKey("expires_Date") as? NSDate
        uid = aDecoder.decodeObjectForKey("uid") as? String
        screen_name = aDecoder.decodeObjectForKey("screen_name") as? String
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as? String
    }
    
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
        
    }
    
    //        MARK: - 重写父类的已有属性description
    
    override var description: String{
        
        let keys = ["access_token", "expires_in", "uid", "screen_name" ,"avatar_large"]
        return dictionaryWithValuesForKeys(keys).description
    }
    
    
}
